MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb5aff6d737ab1bda82cbfaf4d73c612026f3cbc7321ddc44cffa899de2a6daa. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb5aff6d737ab1bda82cbfaf4d73c612026f3cbc7321ddc44cffa899de2a6daa
SHA3-384 hash: 917abf479a05838dc553737ccc9a5a19d235105e95b2fcd6d34b3eb3e48060d20e68163cb6c3603c8dc341753f7fa42f
SHA1 hash: a9431a33d8ba820bc2557f54eeec972f47848cce
MD5 hash: 0617602b01d12407ab9af601044db16a
humanhash: early-low-oranges-pluto
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:151'848 bytes
First seen:2026-05-14 12:54:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:7cZ0aEF+RjYDwroXEU9gJk3Eiln2OtNpLvEkTeEbKOpZuTk0ZyDGqCv6:YiaEF+RkDwoUcgJk3Eil2OjNvEgETRAj
TLSH T135E36CC1F783D0F5D91A01B02067F737DA72E43A102BEE92D7A9DE32AC92651961B35C
telfhash t1075158baf9b60ded6bd0c803e74e2b21ed0de6bb34a436b905f655943271000657ac79
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a43b3acee42de96b27a990e9c19b6fd7081d73c3e0516fc77de3bf4153f077e7
File size (compressed) :64'060 bytes
File size (de-compressed) :151'848 bytes
Format:linux/i386
Packed file: a43b3acee42de96b27a990e9c19b6fd7081d73c3e0516fc77de3bf4153f077e7

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/4c7d2724-e667-4c18-a6d3-a3731b4b0f8c/
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Receives data from a server
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a05c64c2fcb905ec297956f/reports/f8cc3eb5-aeee-435b-8084-66a5ffa10f53/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-14T10:31:00Z UTC
Last seen:
2026-05-15T00:44:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fb5aff6d737ab1bda82cbfaf4d73c612026f3cbc7321ddc44cffa899de2a6daa/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8b6f7d51-951f-46bc-8aa7-744fc1a9b251
Behavior Graph:
Download SVG
%3 guuid=94727ce7-1c00-0000-b29a-c4fa6d0b0000 pid=2925 /usr/bin/sudo guuid=c64dffe9-1c00-0000-b29a-c4fa6e0b0000 pid=2926 /tmp/sample.bin delete-file net guuid=94727ce7-1c00-0000-b29a-c4fa6d0b0000 pid=2925->guuid=c64dffe9-1c00-0000-b29a-c4fa6e0b0000 pid=2926 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c64dffe9-1c00-0000-b29a-c4fa6e0b0000 pid=2926->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=34e8d5f2-1c00-0000-b29a-c4fa6f0b0000 pid=2927 /tmp/sample.bin net send-data zombie guuid=c64dffe9-1c00-0000-b29a-c4fa6e0b0000 pid=2926->guuid=34e8d5f2-1c00-0000-b29a-c4fa6f0b0000 pid=2927 clone guuid=34e8d5f2-1c00-0000-b29a-c4fa6f0b0000 pid=2927->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con b8170a35-4f36-5bb1-8f6c-b8b2b05df845 176.65.139.79:18129 guuid=34e8d5f2-1c00-0000-b29a-c4fa6f0b0000 pid=2927->b8170a35-4f36-5bb1-8f6c-b8b2b05df845 send: 14B guuid=4afcfaf2-1c00-0000-b29a-c4fa700b0000 pid=2928 /tmp/sample.bin guuid=34e8d5f2-1c00-0000-b29a-c4fa6f0b0000 pid=2927->guuid=4afcfaf2-1c00-0000-b29a-c4fa700b0000 pid=2928 clone guuid=6f0b0bf3-1c00-0000-b29a-c4fa710b0000 pid=2929 /tmp/sample.bin guuid=34e8d5f2-1c00-0000-b29a-c4fa6f0b0000 pid=2927->guuid=6f0b0bf3-1c00-0000-b29a-c4fa710b0000 pid=2929 clone
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb5aff6d737ab1bda82cbfaf4d73c612026f3cbc7321ddc44cffa899de2a6daa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb5aff6d737ab1bda82cbfaf4d73c612026f3cbc7321ddc44cffa899de2a6daa/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-05-14 12:56:01 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nnp63ltpky33kbmx6xu246gcibg6pf4omq53rcm76ujtxrknwva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/260514-p5h81aax9m/
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:without_attachments
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh 01da321b6f411f6ffcf3e8940eee85af6eae509763ad4840c6c26b7da10de07d

Mirai

elf a43b3acee42de96b27a990e9c19b6fd7081d73c3e0516fc77de3bf4153f077e7

Mirai

elf fb5aff6d737ab1bda82cbfaf4d73c612026f3cbc7321ddc44cffa899de2a6daa

(this sample)

  
Dropped by
SHA256 a43b3acee42de96b27a990e9c19b6fd7081d73c3e0516fc77de3bf4153f077e7
  
URLhaus
https://urlhaus.abuse.ch/url/3844805/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 8dcf4b67c2c33b2272ee82ee4891e41e

Comments